CN104460014A - Integral imaging 3D display device based on gradual change pinhole array - Google Patents
Integral imaging 3D display device based on gradual change pinhole array Download PDFInfo
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- CN104460014A CN104460014A CN201410776408.8A CN201410776408A CN104460014A CN 104460014 A CN104460014 A CN 104460014A CN 201410776408 A CN201410776408 A CN 201410776408A CN 104460014 A CN104460014 A CN 104460014A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 50
- 230000010354 integration Effects 0.000 claims description 29
- 239000011159 matrix material Substances 0.000 claims description 12
- 238000009877 rendering Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010049155 Visual brightness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention relates to the field of imaging, in particular to an integral imaging 3D display device based on a gradual change pinhole array. The device comprises a 2D display screen and the gradual change pinhole array, wherein the gradual change pinhole array is arranged in front of the 2D display screen, the horizontal axis of the gradual change pinhole array is aligned to the horizontal axis of the 2D display screen, the vertical axis of the gradual change pinhole array is aligned to the vertical axis of the 2D display screen, in the gradual change pinhole array, the thicknesses of pinholes of any column are the same, the horizontal aperture widths of the pinholes of any columns are the same, and the thickness and the horizontal aperture width of the gradual change pinhole array are gradually increased from the two sides to the middle. Light emitted from each image primitive can form a normal 3D image through the pinhole corresponding to the image primitive, and light emitted by image primitives of other columns can not pass the pinhole, so that crosstalk in the horizontal direction is eliminated, and the device has wide application value in the 3D imaging field.
Description
technical field
The present invention relates to imaging field, particularly 3D imaging field.
Background technology
Integration imaging 3D display device make use of light path principle of reversibility, by pinhole array or microlens array, the steric information of 3D scene is recorded on image recorder, generate micro-pattern matrix, then this micro-pattern matrix is shown on 2D display screen, reconstructs the stereo-picture of former 3D scene through pinhole array or microlens array.Integration imaging 3D display device based on the pinhole array integration imaging 3D display device compared based on microlens array have that cost is low, weight is little, thickness of detector is thin and pitch not by advantages such as manufacture craft restrictions.But the optical efficiency based on the integration imaging 3D display device of pinhole array is significantly less than the integration imaging 3D display device based on microlens array, thus limits its practical application.
The existing integration imaging 3D display device based on gradual-change bore diameter pinhole array comprises 2D display screen and gradual-change bore diameter pinhole array, in gradual-change bore diameter pinhole array, the horizontal aperture width of the pin hole of any row is identical, the vertical aperture width of the pin hole of any a line is identical, and the aperture width of gradual-change bore diameter pinhole array increases gradually from edge to center.Integration imaging 3D display device based on gradual-change bore diameter pinhole array can increase optical efficiency under the prerequisite not reducing level viewing visual angle.But the crosstalk in horizontal direction remains the key factor one of of restriction based on the integration imaging 3D display device widespread use of gradual-change bore diameter pinhole array.
In prior art, the structure of the integration imaging 3D display device of gradual-change bore diameter pinhole array as shown in Figure 1, comprise 2D display screen 1 and gradual-change bore diameter pinhole array 2, based on path reversal principal, reconstruct the stereo-picture of 3D scene through pinhole array or microlens array, the display image that the beholder 3 being positioned at distant place like this sees is exactly real 3D rendering.And in prior art, in order to increase visual brightness and improve optical efficiency, in gradual-change bore diameter pinhole array 2, adopt the horizontal aperture width of the pin hole of any row identical, the vertical aperture width of the pin hole of any a line is identical, and the design that the aperture width of gradual-change bore diameter pinhole array increases gradually from edge to center; Optical efficiency can be increased under the prerequisite not reducing level viewing visual angle.But this structure, exists crosstalk between pixel imaging in the horizontal direction, can affect the visual effect of 3D imaging, and the existence of this crosstalk is the major reason of restriction based on the integration imaging 3D display device widespread use of gradual-change bore diameter pinhole array.
The present invention proposes a kind of integration imaging 3D display device based on gradual change pinhole array, as shown in Figure 2: this device comprises 2D display screen and gradual change pinhole array; Gradual change pinhole array is placed on 2D display screen front, aligns with the horizontal and vertical axis of 2D display screen is corresponding all respectively in the horizontal and vertical axis of gradual change pinhole array; Wherein, in gradual change pinhole array, the thickness of the pin hole of any row is identical, and the horizontal aperture width of the pin hole of any row is identical, and the thickness of gradual change pinhole array and horizontal aperture width increase gradually from both sides to centre.
The light that each image primitive sends can form normal 3D rendering by the pin hole corresponding with this image primitive, the light that the image primitive being positioned at other row sends not by this pin hole, thus eliminates the crosstalk in horizontal direction.
Concrete, the light that each image primitive sends can form normal 3D rendering through corresponding pin hole, and the light at the most edge of each image primitive of a demand fulfillment just can just be realized by the pin hole of described correspondence; Now, adjacent image unit or other light sent at a distance of farther image primitive is not just by this pin hole; So just well solve the horizontal crosstalk problem of different images unit imaging.
As shown in Figure 2, the spacing of 2D display screen and gradual change pinhole array is structure of the present invention
g, micro-pattern matrix and gradual change pinhole array all comprise M × N number of unit, and wherein, M unit in horizontal direction, N number of unit in vertical direction, in micro-pattern matrix, the pitch of single image unit is
p, in gradual change pinhole array, the pitch of single pin hole is
p, to be positioned on gradual change pinhole array
ithe horizontal aperture width of row pin hole is
h i , then on gradual change pinhole array
ithe thickness of row pin hole
t i calculated by following formula:
Wherein
iit is the positive integer being less than or equal to M.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, a kind of integration imaging 3D display device based on gradual change pinhole array is provided, effectively eliminate the existing integration imaging 3D display device crosstalk in the horizontal direction based on gradual-change bore diameter pinhole array, improve the visual effect of 3D three-dimensional imaging, improve the performance parameter of 3D three-dimensional imaging.
In order to realize foregoing invention object, the invention provides following technical scheme:
The present invention proposes a kind of integration imaging 3D display device based on gradual change pinhole array, this device comprises 2D display screen and gradual change pinhole array, described gradual change pinhole array is placed on 2D display screen front, aligns with the horizontal and vertical axis of 2D display screen is corresponding all respectively in the horizontal and vertical axis of gradual change pinhole array; Wherein, in gradual change pinhole array, the thickness of the pin hole of any row is identical, and the horizontal aperture width of the pin hole of any row is identical, and the thickness of gradual change pinhole array and horizontal aperture width increase gradually from both sides to centre;
Due to the difference of aperture thickness, the light that each image primitive sends can form normal 3D rendering by the pin hole corresponding with this image primitive, the light that the image primitive being positioned at other row sends is not then by this pin hole, thus eliminate gradual change pinhole array imaging crosstalk in the horizontal direction, thus reach better visual effect.
Concrete, the light that each image primitive sends can form normal 3D rendering through corresponding pin hole, and the light at the most edge of each image primitive of a demand fulfillment just can just be realized by the pin hole of described correspondence; Now, adjacent image unit or other light sent at a distance of farther image primitive is not just by this pin hole; So just well solve the horizontal crosstalk problem of different images unit imaging.
Further, according to above-mentioned condition, if the spacing of 2D display screen and gradual change pinhole array is
g, micro-pattern matrix and gradual change pinhole array all comprise M × N number of unit, and wherein, M unit in horizontal direction, N number of unit in vertical direction, in micro-pattern matrix, the pitch of single image unit is
p, in gradual change pinhole array, the pitch of single pin hole is
p, to be positioned on gradual change pinhole array
ithe horizontal aperture width of row pin hole is
h i , then on gradual change pinhole array
ithe thickness of row pin hole
t i calculated by following formula:
Wherein
iit is the positive integer being less than or equal to M.
compared with prior art, beneficial effect of the present invention:this is based on the integration imaging 3D display device of gradual change pinhole array, the horizontal width of each row is identical, the thickness of each row is identical, and pin hole horizontal width from the center of the integration imaging 3D display device of pinhole array to both sides and thickness reduce all successively, the light that such structure makes each image primitive send can form normal 3D rendering by the pin hole corresponding with this image primitive, the light that the image primitive being positioned at other row sends is not then by this pin hole, thus eliminate gradual change pinhole array imaging crosstalk in the horizontal direction, thus reach better visual effect, the present invention reaches the effect of elimination of level crosstalk by simple structure, 3D imaging display can be realized, be with a wide range of applications in 3D imaging field.
Accompanying drawing illustrates:
Fig. 1 is traditional integration imaging 3D display device schematic diagram based on gradual-change bore diameter pinhole array.
Fig. 2 is originally based on the structure and parameter schematic diagram of the integration imaging 3D display device of gradual change pinhole array.
Mark in figure:
1-2D display screen, 2-gradual-change bore diameter pinhole array, 3-beholder, 4-gradual change pinhole array.
Should be appreciated that above-mentioned accompanying drawing just schematically, do not draw in proportion.
Embodiment
Below in conjunction with test example and embodiment, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
The following detailed description of the exemplary embodiments utilizing a kind of integration imaging 3D based on gradual change pinhole array of the present invention to show, the present invention is further described specifically.What be necessary to herein means out is; following examples are only described further for the present invention; limiting the scope of the invention can not be interpreted as; this art skilled person makes some nonessential improvement and adjustment according to the invention described above content to the present invention, still belongs to protection scope of the present invention.
The invention provides a kind of integration imaging 3D display device based on gradual change pinhole array, effectively eliminate the integration imaging 3D display device crosstalk in the horizontal direction of existing gradual-change bore diameter pinhole array, improve the visual effect of 3D three-dimensional imaging, improve the performance parameter of 3D three-dimensional imaging.
Embodiment 1
The spacing of 2D display screen and gradual change pinhole array is
g=4mm, micro-pattern matrix and gradual change pinhole array all comprise 10 × 10 unit, and wherein, 10 unit in horizontal direction, 10 unit in vertical direction, in micro-pattern matrix, the pitch of single image unit is
p=4mm, in gradual change pinhole array, the pitch of single pin hole is
p=4mm, the horizontal aperture width being arranged in gradual change pinhole array 1st ~ 10 row pin hole is respectively 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.8mm, 0.7mm, 0.6mm, 0.5mm, 0.4mm.By formula
the thickness calculating 1st ~ 10 row pin holes in gradual change pinhole array is respectively 0.9mm, 1.1mm, 1.4mm, 1.7mm, 2mm, 2mm, 1.7mm, 1.4mm, 1.1mm, 0.9mm.
In a word, this is based on the integration imaging 3D display device of gradual change pinhole array, the horizontal width of each row is identical, the thickness of each row is identical, and pin hole horizontal width from the center of the integration imaging 3D display device of pinhole array to both sides and thickness reduce all successively, the light that such structure makes each image primitive send can form normal 3D rendering by the pin hole corresponding with this image primitive, the light that the image primitive being positioned at other row sends is not then by this pin hole, thus eliminate gradual change pinhole array imaging crosstalk in the horizontal direction, thus reach better visual effect, the present invention reaches the effect eliminating the existing integration imaging 3D display device crosstalk in the horizontal direction based on gradual-change bore diameter pinhole array by simple structure, 3D imaging display can be realized, be with a wide range of applications in 3D imaging field.
Claims (4)
1., based on an integration imaging 3D display device for gradual change pinhole array, comprise 2D display screen and gradual change pinhole array; Gradual change pinhole array is placed on 2D display screen front, aligns with the horizontal and vertical axis of 2D display screen is corresponding all respectively in the horizontal and vertical axis of gradual change pinhole array; It is characterized in that, in gradual change pinhole array, the thickness of the pin hole of any row is identical, and the horizontal aperture width of the pin hole of any row is identical, and the thickness of gradual change pinhole array and horizontal aperture width increase gradually from both sides to centre.
2. a kind of integration imaging 3D display device based on gradual change pinhole array as claimed in claim 1, it is characterized in that, the light that each image primitive sends can form normal 3D rendering by the pin hole corresponding with this image primitive, and the light that the image primitive being positioned at other row sends is not by this pin hole, thus eliminate the crosstalk in horizontal direction.
3. a kind of integration imaging 3D display device based on gradual change pinhole array as claimed in claim 2, it is characterized in that, the spacing of 2D display screen and gradual change pinhole array is
g, micro-pattern matrix and gradual change pinhole array all comprise M × N number of unit, and wherein, M unit in horizontal direction, N number of unit in vertical direction, in micro-pattern matrix, the pitch of single image unit is
p, in gradual change pinhole array, the pitch of single pin hole is
p, to be positioned on gradual change pinhole array
ithe horizontal aperture width of row pin hole is
h i , then on gradual change pinhole array
ithe thickness of row pin hole
t i calculated by following formula:
Wherein
iit is the positive integer being less than or equal to M.
4. a kind of integration imaging 3D display device based on gradual change pinhole array as claimed in claim 3, it is characterized in that, the spacing of 2D display screen and gradual change pinhole array is
g=4mm, micro-pattern matrix and gradual change pinhole array all comprise 10 × 10 unit, and wherein, 10 unit in horizontal direction, 10 unit in vertical direction, in micro-pattern matrix, the pitch of single image unit is
p=4mm, in gradual change pinhole array, the pitch of single pin hole is
p=4mm, the horizontal aperture width being arranged in gradual change pinhole array 1st ~ 10 row pin hole is respectively 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.8mm, 0.7mm, 0.6mm, 0.5mm, 0.4mm; Then in gradual change pinhole array, the thickness of 1st ~ 10 row pin holes is respectively 0.9mm, 1.1mm, 1.4mm, 1.7mm, 2mm, 2mm, 1.7mm, 1.4mm, 1.1mm, 0.9mm.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017071534A1 (en) * | 2015-10-30 | 2017-05-04 | 成都工业学院 | Integral imaging 3d display device and method employing dual display screens |
| CN107102445A (en) * | 2017-04-25 | 2017-08-29 | 甘果 | One kind strategy and system of bore hole 3D video reproductions and shooting are realized |
| WO2018001150A1 (en) * | 2016-06-30 | 2018-01-04 | 成都工业学院 | Integrated imaging 3d display device based on gradually-changing pitch pinhole array, gradually-changing pitch pinhole, and display screen |
| WO2018054110A1 (en) * | 2016-09-26 | 2018-03-29 | Boe Technology Group Co., Ltd. | Slit grating, and three-dimensional display apparatus having slit grating |
| CN109254411A (en) * | 2018-11-20 | 2019-01-22 | 成都工业学院 | A kind of one-dimensional integrated imaging 3D display device |
| CN109298537A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | 3D display device based on backlight |
| CN109298540A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | Integration imaging 3D display device based on polarization arrays and rectangle pin hole |
| CN109298539A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | The integration imaging 3D display device of uniform optical efficiency |
| CN109521575A (en) * | 2018-11-20 | 2019-03-26 | 成都工业学院 | Integration imaging 3D display device based on backlight |
| CN109946844A (en) * | 2019-05-21 | 2019-06-28 | 上海麦界信息技术有限公司 | Cubic light field display device |
| CN110095875A (en) * | 2019-05-25 | 2019-08-06 | 成都工业学院 | A kind of one-dimensional integrated imaging double vision 3D display device |
| CN110297334A (en) * | 2019-07-28 | 2019-10-01 | 成都工业学院 | Integration imaging 3D display device based on gradual change rectangle pinhole array |
| CN110426857A (en) * | 2019-07-28 | 2019-11-08 | 成都工业学院 | Integration imaging 3D display device based on gradual change width rectangle pinhole array |
| CN112485920A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on stepped gradient aperture pinhole array |
| CN114815296A (en) * | 2022-05-18 | 2022-07-29 | 成都工业学院 | Double-vision 3D display device based on composite polaroid and gradient slit grating |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017071534A1 (en) * | 2015-10-30 | 2017-05-04 | 成都工业学院 | Integral imaging 3d display device and method employing dual display screens |
| WO2018001150A1 (en) * | 2016-06-30 | 2018-01-04 | 成都工业学院 | Integrated imaging 3d display device based on gradually-changing pitch pinhole array, gradually-changing pitch pinhole, and display screen |
| US10564438B2 (en) | 2016-09-26 | 2020-02-18 | Boe Technology Group Co., Ltd. | Slit grating, and three-dimensional display apparatus having slit grating |
| WO2018054110A1 (en) * | 2016-09-26 | 2018-03-29 | Boe Technology Group Co., Ltd. | Slit grating, and three-dimensional display apparatus having slit grating |
| CN107102445A (en) * | 2017-04-25 | 2017-08-29 | 甘果 | One kind strategy and system of bore hole 3D video reproductions and shooting are realized |
| CN109521575B (en) * | 2018-11-20 | 2023-09-22 | 成都航空职业技术学院 | Integrated imaging 3D display device based on backlight source |
| CN109298539B (en) * | 2018-11-20 | 2023-09-19 | 成都航空职业技术学院 | Integrated imaging 3D display device with uniform optical efficiency |
| CN109298539A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | The integration imaging 3D display device of uniform optical efficiency |
| CN109521575A (en) * | 2018-11-20 | 2019-03-26 | 成都工业学院 | Integration imaging 3D display device based on backlight |
| CN109298540B (en) * | 2018-11-20 | 2024-06-04 | 北京龙翼风科技有限公司 | Integrated imaging 3D display device based on polarization array and rectangular pinhole |
| CN109298540A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | Integration imaging 3D display device based on polarization arrays and rectangle pin hole |
| CN109298537B (en) * | 2018-11-20 | 2024-03-19 | 成都工业学院 | Backlight source-based 3D display device |
| CN109298537A (en) * | 2018-11-20 | 2019-02-01 | 成都工业学院 | 3D display device based on backlight |
| CN109254411B (en) * | 2018-11-20 | 2023-09-22 | 成都航空职业技术学院 | One-dimensional integrated imaging 3D display device |
| CN109254411A (en) * | 2018-11-20 | 2019-01-22 | 成都工业学院 | A kind of one-dimensional integrated imaging 3D display device |
| CN109946844A (en) * | 2019-05-21 | 2019-06-28 | 上海麦界信息技术有限公司 | Cubic light field display device |
| CN109946844B (en) * | 2019-05-21 | 2019-08-27 | 上海麦界信息技术有限公司 | Cubic light field display device |
| CN110095875B (en) * | 2019-05-25 | 2024-03-26 | 成都航空职业技术学院 | One-dimensional integrated imaging double-vision 3D display device |
| CN110095875A (en) * | 2019-05-25 | 2019-08-06 | 成都工业学院 | A kind of one-dimensional integrated imaging double vision 3D display device |
| CN110426857A (en) * | 2019-07-28 | 2019-11-08 | 成都工业学院 | Integration imaging 3D display device based on gradual change width rectangle pinhole array |
| CN110297334A (en) * | 2019-07-28 | 2019-10-01 | 成都工业学院 | Integration imaging 3D display device based on gradual change rectangle pinhole array |
| CN110426857B (en) * | 2019-07-28 | 2024-03-26 | 成都航空职业技术学院 | Integrated imaging 3D display device based on gradual change width rectangle pinhole array |
| CN110297334B (en) * | 2019-07-28 | 2024-05-28 | 深圳市八方同创科技有限公司 | Integrated imaging 3D display device based on gradual change rectangle pinhole array |
| CN112485920A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on stepped gradient aperture pinhole array |
| CN112485920B (en) * | 2021-01-11 | 2024-05-14 | 江苏洪旭德生科技有限公司 | Double-vision 3D display device based on stepped gradual change aperture pinhole array |
| CN114815296A (en) * | 2022-05-18 | 2022-07-29 | 成都工业学院 | Double-vision 3D display device based on composite polaroid and gradient slit grating |
| CN114815296B (en) * | 2022-05-18 | 2024-05-14 | 成都工业学院 | Double-vision 3D display device based on composite polaroid and gradient slit grating |
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